{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["process parameter", "material", "process characterization", "manufacturing standard", "enabling technology", "machine or equipment"], "input": "Tool wear and failure mechanism investigated in conventional and AM tools ."}
{"process parameter": [], "material": [], "process characterization": [], "manufacturing standard": [], "enabling technology": [], "machine or equipment": []}